How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
athlete must have eaten food containing lactic acid just before the race
athlete must have injected lactic acid into his blood just before the race
athletes muscle must have carried out anaerobic respiration during the race
athlete must have inhaled lactic acid from the environment during the race
Correct answer is C
No explanation has been provided for this answer.
Which of the following processes occurs in the second phase of meiosis?
Homologous chromosomes separate
Two daughtercells are formed
Fertilization occurs
Segregation of genes occurs
Correct answer is A
No explanation has been provided for this answer.
In which of the following multicellular organisms is-interdependence of cells maintained?
Spirogyra
Volvox
Eudorina
Pandorina
Correct answer is B
No explanation has been provided for this answer.
The disadvantage of complexity of organisation in the higher organisms is that it leads to
mutual interdependence between component cells
internal structural specialization
increased adaptation to environment
slower rate of diffusion of oxygen to individual cells
Correct answer is D
No explanation has been provided for this answer.
The organism at the organ level of organisation of life is
Euglena
Spirogyra
Ginger
Tapeworm
Correct answer is C
No explanation has been provided for this answer.